```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Every-PDF - 开源PDF处理工具集</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            color: #333;
            background-color: #f9fafb;
            line-height: 1.6;
        }
        h1, h2, h3, h4, h5 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 600;
            color: #111;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .drop-cap:first-letter {
            float: left;
            font-size: 5rem;
            line-height: 0.65;
            margin: 0.1em 0.2em 0 0;
            color: #4f46e5;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-6 md:py-32">
        <div class="max-w-6xl mx-auto">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0 md:pr-10">
                    <h1 class="text-4xl md:text-5xl font-bold mb-4 leading-tight">Every-PDF</h1>
                    <h2 class="text-xl md:text-2xl font-medium mb-6 opacity-90">开源PDF处理工具集</h2>
                    <p class="text-lg mb-8 opacity-90">专为开发者和技术用户设计的高性能PDF处理解决方案，提供从文本提取到内容分析的全面功能。</p>
                    <div class="flex flex-wrap gap-4">
                        <a href="https://github.com/DDULDDUCK/every-pdf" class="bg-white text-indigo-600 hover:bg-indigo-50 px-6 py-3 rounded-lg font-medium transition-all duration-300 flex items-center">
                            <i class="fab fa-github mr-2"></i> GitHub仓库
                        </a>
                        <a href="#getting-started" class="bg-indigo-700 hover:bg-indigo-600 px-6 py-3 rounded-lg font-medium transition-all duration-300 flex items-center">
                            <i class="fas fa-rocket mr-2"></i> 快速开始
                        </a>
                    </div>
                </div>
                <div class="md:w-1/2 flex justify-center">
                    <div class="relative w-full max-w-md">
                        <div class="absolute -top-6 -left-6 w-full h-full bg-indigo-300 rounded-xl z-0"></div>
                        <img src="https://cdn.nlark.com/yuque/0/2025/png/21449790/1754968025461-7db5ffc1-e445-4967-a453-69250ebde708.png" alt="Every-PDF界面截图" class="relative z-10 rounded-lg shadow-2xl border-4 border-white">
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Problem Section -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">它能解决什么问题</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="drop-cap text-lg text-gray-700 mb-10">
                在处理PDF文档时，用户经常面临诸多挑战：传统PDF阅读器功能单一，无法进行批量处理；商业PDF工具价格昂贵且功能冗余；开源工具往往缺乏统一接口，需要学习多个不同的命令行工具；PDF内容提取质量参差不齐，特别是对于扫描版PDF或复杂排版的文档；格式转换过程中容易出现乱码、格式丢失等问题。
            </div>
            <div class="bg-indigo-50 border-l-4 border-indigo-500 p-6 rounded-r-lg">
                <p class="text-indigo-700 font-medium">
                    <span class="text-2xl mr-2">⚡</span> 这个工具就是来解决这些问题的——通过统一的命令行接口和API，提供高质量的PDF处理功能，支持批量操作，并且完全开源免费，让用户能够高效地处理各种PDF相关任务。
                </p>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-16 px-6 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">核心功能概述</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
                <div class="feature-card bg-white p-8 rounded-xl shadow-md transition-all duration-300">
                    <div class="text-indigo-500 text-3xl mb-4">
                        <i class="fas fa-brain"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">智能文本提取</h3>
                    <p class="text-gray-600">采用先进的OCR技术和文本识别算法，能够准确提取PDF中的文本内容，包括扫描版PDF和复杂排版文档，支持多语言识别和表格数据提取。</p>
                </div>
                <div class="feature-card bg-white p-8 rounded-xl shadow-md transition-all duration-300">
                    <div class="text-indigo-500 text-3xl mb-4">
                        <i class="fas fa-exchange-alt"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">多格式转换</h3>
                    <p class="text-gray-600">支持PDF转Word、Excel、PowerPoint、HTML、Markdown等多种格式，保持原始文档的格式和样式，确保转换质量。</p>
                </div>
                <div class="feature-card bg-white p-8 rounded-xl shadow-md transition-all duration-300">
                    <div class="text-indigo-500 text-3xl mb-4">
                        <i class="fas fa-layer-group"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">批量处理能力</h3>
                    <p class="text-gray-600">提供命令行批量处理功能，支持文件夹递归处理、文件过滤和并行处理，大幅提升处理效率，适合大规模文档处理需求。</p>
                </div>
                <div class="feature-card bg-white p-8 rounded-xl shadow-md transition-all duration-300">
                    <div class="text-indigo-500 text-3xl mb-4">
                        <i class="fas fa-chart-bar"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">内容分析工具</h3>
                    <p class="text-gray-600">内置关键词提取、文档摘要、页面统计等功能，帮助用户快速了解PDF文档的核心内容和结构特征。</p>
                </div>
                <div class="feature-card bg-white p-8 rounded-xl shadow-md transition-all duration-300">
                    <div class="text-indigo-500 text-3xl mb-4">
                        <i class="fas fa-plug"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">API接口服务</h3>
                    <p class="text-gray-600">提供RESTful API接口，支持集成到现有系统中，便于开发者在自己的应用中调用PDF处理功能。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Use Cases Section -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">使用场景</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="space-y-12">
                <div class="flex flex-col md:flex-row gap-8 items-center">
                    <div class="md:w-1/3 bg-indigo-100 p-6 rounded-xl">
                        <h3 class="text-xl font-bold mb-3 text-indigo-700 flex items-center">
                            <i class="fas fa-graduation-cap mr-2"></i> 学术研究团队
                        </h3>
                        <p class="text-gray-700">研究人员可以利用Every-PDF批量处理大量学术论文PDF，提取关键信息进行文献综述，将PDF转换为可编辑格式进行内容分析，或者生成文档摘要用于快速了解研究内容。</p>
                    </div>
                    <div class="md:w-2/3 bg-gray-50 p-6 rounded-xl">
                        <p class="italic text-gray-600 mb-3">例如：</p>
                        <p>一个研究团队需要分析1000篇相关领域的论文，可以使用批量处理功能快速提取所有论文的摘要和关键词，大大节省人工筛选时间。</p>
                    </div>
                </div>
                <div class="flex flex-col md:flex-row gap-8 items-center">
                    <div class="md:w-1/3 bg-indigo-100 p-6 rounded-xl order-2 md:order-1">
                        <h3 class="text-xl font-bold mb-3 text-indigo-700 flex items-center">
                            <i class="fas fa-building mr-2"></i> 企业文档管理
                        </h3>
                        <p class="text-gray-700">企业IT部门可以集成Every-PDF的API接口，构建自动化的文档处理流程，将客户提交的PDF合同转换为可搜索的文本格式，提取关键条款信息，或者将技术文档转换为HTML格式用于在线展示。</p>
                    </div>
                    <div class="md:w-2/3 bg-gray-50 p-6 rounded-xl order-1 md:order-2">
                        <p class="italic text-gray-600 mb-3">应用场景：</p>
                        <p>自动化处理客户合同、技术文档转换、内部知识库建设等场景，提高企业文档管理效率。</p>
                    </div>
                </div>
                <div class="flex flex-col md:flex-row gap-8 items-center">
                    <div class="md:w-1/3 bg-indigo-100 p-6 rounded-xl">
                        <h3 class="text-xl font-bold mb-3 text-indigo-700 flex items-center">
                            <i class="fas fa-pen-fancy mr-2"></i> 内容创作团队
                        </h3>
                        <p class="text-gray-700">编辑和内容创作者可以使用该工具将PDF格式的参考资料转换为可编辑的Word或Markdown格式，便于内容复用和重新编辑，同时利用内容分析功能快速了解文档结构和重点内容。</p>
                    </div>
                    <div class="md:w-2/3 bg-gray-50 p-6 rounded-xl">
                        <p class="italic text-gray-600 mb-3">典型用例：</p>
                        <p>将PDF格式的白皮书、研究报告转换为可编辑格式，提取关键数据用于内容创作，提高信息收集和内容生产效率。</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Advantages Section -->
    <section class="py-16 px-6 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">优势与特色</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
                <p class="text-lg text-gray-600 mt-6 max-w-3xl mx-auto">相比其他PDF处理工具，Every-PDF具有以下独特优势</p>
            </div>
            <div class="grid md:grid-cols-2 gap-8">
                <div class="flex items-start">
                    <div class="bg-indigo-100 p-3 rounded-lg mr-4">
                        <i class="fas fa-lock-open text-indigo-600 text-xl"></i>
                    </div>
                    <div>
                        <h3 class="text-xl font-bold mb-2">开源免费</h3>
                        <p class="text-gray-600">完全开源，用户可以自由使用、修改和分发，无需支付昂贵的商业许可费用，降低了使用门槛。</p>
                    </div>
                </div>
                <div class="flex items-start">
                    <div class="bg-indigo-100 p-3 rounded-lg mr-4">
                        <i class="fas fa-puzzle-piece text-indigo-600 text-xl"></i>
                    </div>
                    <div>
                        <h3 class="text-xl font-bold mb-2">模块化设计</h3>
                        <p class="text-gray-600">采用插件化架构，用户可以根据需要选择安装特定功能模块，避免功能冗余，提高系统性能。</p>
                    </div>
                </div>
                <div class="flex items-start">
                    <div class="bg-indigo-100 p-3 rounded-lg mr-4">
                        <i class="fas fa-desktop text-indigo-600 text-xl"></i>
                    </div>
                    <div>
                        <h3 class="text-xl font-bold mb-2">跨平台支持</h3>
                        <p class="text-gray-600">支持Windows、macOS和Linux等多个操作系统，确保在不同环境下都能稳定运行。</p>
                    </div>
                </div>
                <div class="flex items-start">
                    <div class="bg-indigo-100 p-3 rounded-lg mr-4">
                        <i class="fas fa-medal text-indigo-600 text-xl"></i>
                    </div>
                    <div>
                        <h3 class="text-xl font-bold mb-2">高质量处理</h3>
                        <p class="text-gray-600">采用最新的OCR技术和文本处理算法，确保PDF内容提取的准确性和格式转换的完整性。</p>
                    </div>
                </div>
                <div class="flex items-start">
                    <div class="bg-indigo-100 p-3 rounded-lg mr-4">
                        <i class="fas fa-users text-indigo-600 text-xl"></i>
                    </div>
                    <div>
                        <h3 class="text-xl font-bold mb-2">活跃社区</h3>
                        <p class="text-gray-600">拥有活跃的开源社区，持续更新和维护，用户可以获得及时的技术支持和功能改进。</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Cost Section -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">使用门槛与成本</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="bg-gray-50 rounded-xl p-8 max-w-4xl mx-auto">
                <div class="flex flex-col md:flex-row items-center gap-8">
                    <div class="md:w-1/3 text-center">
                        <div class="bg-indigo-100 w-24 h-24 rounded-full flex items-center justify-center mx-auto mb-4">
                            <i class="fas fa-money-bill-wave text-indigo-600 text-3xl"></i>
                        </div>
                        <h3 class="text-xl font-bold">完全免费开源</h3>
                        <p class="text-gray-600 text-sm">基于MIT许可证发布</p>
                    </div>
                    <div class="md:w-2/3">
                        <p class="mb-4">Every-PDF完全免费开源，基于MIT许可证发布，用户可以自由使用和修改。工具采用Python开发，需要Python 3.7或更高版本环境。安装过程相对简单，通过pip包管理器即可完成安装，但可能需要安装一些系统依赖库。</p>
                        <p>对于高级功能如OCR识别，可能需要额外安装Tesseract等开源OCR引擎，这些也都是免费提供的。工具提供了详细的安装文档和示例代码，降低了技术门槛。</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- CTA Section -->
    <section class="py-16 px-6 bg-indigo-700 text-white">
        <div class="max-w-4xl mx-auto text-center">
            <h2 class="text-3xl font-bold mb-6">思考问题</h2>
            <p class="text-xl mb-8 opacity-90">你的团队如何利用Every-PDF来优化现有的文档处理流程？在处理大量PDF文档时，如何设计高效的批量处理策略？</p>
            <div class="bg-indigo-800 p-6 rounded-lg text-left max-w-2xl mx-auto">
                <p class="mb-4">Every-PDF代表了开源PDF处理工具的发展方向，通过技术创新和社区协作，为用户提供了高质量、易用且免费的PDF处理解决方案。随着AI技术的不断发展，该工具在OCR识别、内容分析等方面的能力将持续提升，为更多用户创造价值。</p>
            </div>
        </div>
    </section>

    <!-- Getting Started -->
    <section id="getting-started" class="py-16 px-6 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">上手指南</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="space-y-8">
                <div class="bg-white shadow-md rounded-xl p-8">
                    <h3 class="text-xl font-bold mb-4 flex items-center">
                        <span class="bg-indigo-600 text-white rounded-full w-8 h-8 flex items-center justify-center mr-3">1</span>
                        环境准备
                    </h3>
                    <p class="text-gray-600 mb-4">确保系统已安装Python 3.7+，然后通过pip安装工具：</p>
                    <div class="bg-gray-800 text-gray-100 p-4 rounded-lg overflow-x-auto">
                        <code class="font-mono">pip install every-pdf</code>
                    </div>
                </div>
                <div class="bg-white shadow-md rounded-xl p-8">
                    <h3 class="text-xl font-bold mb-4 flex items-center">
                        <span class="bg-indigo-600 text-white rounded-full w-8 h-8 flex items-center justify-center mr-3">2</span>
                        基础功能测试
                    </h3>
                    <p class="text-gray-600 mb-4">使用简单命令测试文本提取功能：</p>
                    <div class="bg-gray-800 text-gray-100 p-4 rounded-lg overflow-x-auto">
                        <code class="font-mono">every-pdf extract input.pdf -o output.txt</code>
                    </div>
                </div>
                <div class="bg-white shadow-md rounded-xl p-8">
                    <h3 class="text-xl font-bold mb-4 flex items-center">
                        <span class="bg-indigo-600 text-white rounded-full w-8 h-8 flex items-center justify-center mr-3">3</span>
                        批量处理设置
                    </h3>
                    <p class="text-gray-600 mb-4">创建处理脚本，指定输入文件夹和输出目录，设置文件过滤规则和并行处理参数。</p>
                </div>
                <div class="bg-white shadow-md rounded-xl p-8">
                    <h3 class="text-xl font-bold mb-4 flex items-center">
                        <span class="bg-indigo-600 text-white rounded-full w-8 h-8 flex items-center justify-center mr-3">4</span>
                        API集成
                    </h3>
                    <p class="text-gray-600 mb-4">如果需要集成到现有系统，启动API服务：</p>
                    <div class="bg-gray-800 text-gray-100 p-4 rounded-lg overflow-x-auto">
                        <code class="font-mono">every-pdf serve --host 0.0.0.0 --port 8000</code>
                    </div>
                </div>
                <div class="bg-white shadow-md rounded-xl p-8">
                    <h3 class="text-xl font-bold mb-4 flex items-center">
                        <span class="bg-indigo-600 text-white rounded-full w-8 h-8 flex items-center justify-center mr-3">5</span>
                        高级功能配置
                    </h3>
                    <p class="text-gray-600 mb-4">根据需求配置OCR引擎、语言包和自定义处理规则，优化处理效果。</p>
                </div>
                <div class="bg-white shadow-md rounded-xl p-8">
                    <h3 class="text-xl font-bold mb-4 flex items-center">
                        <span class="bg-indigo-600 text-white rounded-full w-8 h-8 flex items-center justify-center mr-3">6</span>
                        性能调优
                    </h3>
                    <p class="text-gray-600 mb-4">根据文档类型和数量调整并发参数，监控处理性能，确保系统稳定运行。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Mermaid Diagram -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4">Every-PDF 功能体系</h2>
                <div class="w-20 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="mermaid bg-gray-50 p-6 rounded-xl">
                graph TD
                    A[Every-PDF] --> B[核心功能]
                    B --> B1[智能文本提取]
                    B --> B2[多格式转换]
                    B --> B3[批量处理]
                    B --> B4[内容分析]
                    B --> B5[API服务]
                    
                    A --> C[技术架构]
                    C --> C1[Python核心]
                    C --> C2[OCR引擎]
                    C --> C3[文本处理算法]
                    C --> C4[格式转换库]
                    
                    A --> D[应用场景]
                    D --> D1[学术研究]
                    D --> D2[企业文档]
                    D --> D3[内容创作]
                    
                    A --> E[优势特点]
                    E --> E1[开源免费]
                    E --> E2[模块化]
                    E --> E3[跨平台]
                    E --> E4[高性能]
            </div>
        </div>
    </section>

    <script>
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            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
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</body>
</html>
```